氧化铈对六铝酸钙材料性能的影响Effect of CeO2 on properties of calcium-hexaluminate material
罗旭东,曲殿利,谢志鹏,王旭升,张琳琳
摘要(Abstract):
以工业氧化铝和活性石灰为原料合成六铝酸钙材料,研究氧化铈对经1450℃和1500℃烧后六铝酸钙材料的烧结性能和抗热震性的影响,利用XRD、SEM及相关软件对其烧后试样的相组成、显微结构、相对结晶度以及晶胞参数进行分析和计算。结果表明:煅烧温度以及氧化铈加入量将直接影响合成产物六铝酸钙相中结构缺陷的种类和数量以及烧后试样中液相量,适量引入氧化铈可以提高合成材料的抗热震性,经1500℃烧后的C3配方试样热震前后常温耐压强度保持率可达93.1%。
关键词(KeyWords): 氧化铈;六铝酸钙;煅烧温度;抗热震性
基金项目(Foundation): 国家“十二五”科技支撑计划(2012BAB06B01)
作者(Author): 罗旭东,曲殿利,谢志鹏,王旭升,张琳琳
DOI: 10.13289/j.issn.1009-6264.2013.12.004
参考文献(References):
- [1]Chandradass J,Bae D S,Kim K H.Synthesis of calcium hexaaluminate(CaAl12O19)via reverse micelle process[J].Journal of Non-Crystalline Solids,2009,355(48-49):2429-2432.
- [2]Asmi D,Low I M,Kennedy S,et al.Characteristics of a layered and graded alumina/calcium-hexaluminate composite[J].Materials Letters,1999,40(2):96-102.
- [3]易帅,王凡,童玲欣,等.原料种类和合成温度对合成CA6的影响[J].耐火材料,2010,44(1):20-23.YI Shuai,WANG Fan,TONG Ling-xin,et al.Effects of materials and synthesizing temperature on synthesized CA6[J].Refractories,2010,44(1):20-23.
- [4]陈冲,陈海,王俊,等.六铝酸钙材料的合成、性能和应用[J].硅酸盐通报,2009,28(S):201-205.CHEN Chong,CHEN Hai,WANG Jun,et al.Synthesis,properties and application of calcium Hexaluminate[J].Bulletin of the Chinese Ceramic Society,2009,28(S):201-205.
- [5]李友奇,李亚伟,金胜利,等.六铝酸钙材料的合成及其显微结构研究[J].耐火材料,2004,38(5):318-323.LI You-qi,LI Ya-wei,JIN Sheng-li,et al.Synthesis and its microstructure of calcium hexaluminate material by reaction sintering[J].Refractories,2004,38(5):318-323.
- [6]裴春秋,石干,徐建峰.六铝酸钙新型隔热耐火材料的性能及应用[J].工业炉,2007,29(1):45-49.PEI Chun-qiu,SHI Gan,XU Jian-feng.Properties and application of novel calcium hexaluminate insulating refractory[J].Industrial Furnace,2007,29(1):45-49.
- [7]张礼华,周永生,严云.烧结法合成六铝酸钙多孔陶瓷的研究[J].非金属矿,2009,32(5):8-11.ZHANG Li-hua,ZHOU Yong-sheng,YAN Yun.Study on porous calcium hexaluminate composite by sintering process[J].Non-Metallic Mines,2009,32(5):8-11.
- [8]李天清,李楠,李友胜.反应烧结法制备六铝酸钙多孔材料[J].耐火材料,2004,38(5):309-311,323.LI Tian-qing,LI Nan,LI You-sheng.Preparation of porous calcium hexaluminate by reaction-sintering[J].Refractories,2004,38(5):309-311,323.
- [9]李天清,李楠,王锋刚,等.工业氧化铝粒度分布对合成CA6多孔材料的性能、相组成和显微结构的影响[J].耐火材料,2008,42(5):334-336.LI Tian-qing,LI Nan,WANG Feng-gang,et al.Influence of particle size distribution ofγ-Al2O3on properties,phase composition and microstructure of porous calcium hexaluminat[J].Refractories,2008,42(5):334-336.
- [10]Singh V K,Sharma K K.Low-temperature synthesis of calcium hexaluminate[J].Journal of the American Ceramic Society,2002,85(4):769-772.
- [11]Li M J,Kuribayashi K.Phase selection in the containerless solidification of undercooled CaO·6Al2O3melts[J].Acta Materialia,2004,52(12):3639-3647.
- [12]王长宝,王玺堂,张保国.浇注-烧结法合成六铝酸钙[J].耐火材料,2008,42(4):264-266,284.WANG Chang-bao,WANG Xi-tang,ZHANG Bao-guo.Synthesis of calcium hexalum inate by casting-sintering method[J].Refractories,2008,42(4):264-266,284.
- [13]武鹏,胡瑞生,沈岳年,等.稀土六铝酸盐的结构及在高温催化材料中的应用[J].稀土,2003,24(3):74-77.WU Peng,HU Rui-sheng,SHEN Yue-nian,et al.Structure and application of hexaaluminates-substituted by rare earth ions in high-temperature catalytic materials[J].Chinese Rare Earths,2003,24(3):74-77.
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